hard · Gre Quant
How many ways can 4 identical red balls and 3 identical blue balls be arranged in a row such that no two blue balls are adjacent to each other?
- The calculation gives 10 valid arrangements.
- There are 35 distinct possible arrangements.
- A total of 20 unique rows can be formed.
- Exactly 60 different ways to arrange balls.
- The arrangement set contains 15 sequences.
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